英语副词问题no one knows exactly how the earth began,as it happene

No one knows exactly how the earth began,as it happened so l 英语翻译How life began on the earthNo one knows exactly how the 英语翻译No one knows who invented the pencils or when it happene No one knows exactly when humans began eating honey. 英语翻译No one 1 exactly when and how April Fool's Day began.How 英语翻译The Olympic GamesNo one knows exactly how far back the O no one really knows exactly when the first people arrived in no one knows how man learned to make words.Maybe he began by No one knows how man learned to make words.Perhaps he began No one knows how man learned to make words. Perhaps he began as a teacher he knows exactly how to convey his ideas to the no one really knows how the ancient egyptians build thepyram